[PATCH] CONFIG_REGPARM breaks non-asmlinkage syscalls

With CONFIG_REGPARM=y, syscalls must be declared asmlinkage or else
calling them will fail.

This fix adds a few missing declarations for sys_fadvise64_64() and
sys_remap_file_pages().

arch/ia64/ia32/sys_ia32.c

@@ -2990,7 +2990,7 @@ sys32_timer_create(u32 clock, struct sigevent32 *se32, timer_t *timer_id)
 	return err;
 }
 
-extern long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
+asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
 
 long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high, 
 			__u32 len_low, __u32 len_high, int advice)

arch/x86_64/ia32/sys_ia32.c

@@ -1895,7 +1895,7 @@ sys32_timer_create(u32 clock, struct sigevent32 *se32, timer_t *timer_id)
 	return err; 
 } 
 
-extern long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
+asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
 
 long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high, 
 			__u32 len_low, __u32 len_high, int advice)

include/linux/mm.h

@@ -455,8 +455,8 @@ extern int install_file_pte(struct mm_struct *mm, struct vm_area_struct *vma, un
 extern int handle_mm_fault(struct mm_struct *mm,struct vm_area_struct *vma, unsigned long address, int write_access);
 extern int make_pages_present(unsigned long addr, unsigned long end);
 extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);
-extern long sys_remap_file_pages(unsigned long start, unsigned long size, unsigned long prot, unsigned long pgoff, unsigned long nonblock);
-extern long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
+asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size, unsigned long prot, unsigned long pgoff, unsigned long nonblock);
+asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
 void put_dirty_page(struct task_struct *tsk, struct page *page,
 			unsigned long address, pgprot_t prot);
 

mm/fremap.c

@@ -155,7 +155,7 @@ int install_file_pte(struct mm_struct *mm, struct vm_area_struct *vma,
  * protection is used. Arbitrary protections might be implemented in the
  * future.
  */
-long sys_remap_file_pages(unsigned long start, unsigned long size,
+asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
 	unsigned long __prot, unsigned long pgoff, unsigned long flags)
 {
 	struct mm_struct *mm = current->mm;